Hint for Section 4.4 Question 1

1a) Every nonnegative even integer is greater than -1.

b) The set of all negative integers of the form 46 - 7k = {-3, -10, -17, ...}. The values in this set were found by letting k = 7, k = 8, ....
Can you find an integer x such that every element in this set is greater than x?

Back to Section 4.4
Full solution